diff --git a/src/libstd/std.rc b/src/libstd/std.rc
index dd895e60d8f2..a56b1ac61a0f 100644
--- a/src/libstd/std.rc
+++ b/src/libstd/std.rc
@@ -85,7 +85,7 @@ pub mod par;
 pub mod cmp;
 pub mod base64;
 pub mod rl;
-pub mod workcache;
+// pub mod workcache;
 
 #[cfg(unicode)]
 mod unicode;
diff --git a/src/libstd/workcache.rs b/src/libstd/workcache.rs
index 231946e64c1a..07297b546c05 100644
--- a/src/libstd/workcache.rs
+++ b/src/libstd/workcache.rs
@@ -1,15 +1,13 @@
-extern mod std;
-
 use core::cmp::Eq;
 use send_map::linear::LinearMap;
 use pipes::{recv, oneshot, PortOne, send_one};
 use either::{Right,Left,Either};
 
-use std::json;
-use std::sha1;
-use std::serialization::{Serializer,Serializable,
-                         Deserializer,Deserializable,
-                         deserialize};
+use json;
+use sha1;
+use serialization::{Serializer,Serializable,
+                    Deserializer,Deserializable,
+                    deserialize};
 
 /**
 *